Add a border around a map plot — map_border • insetplot

Returns a small theme that draws a rectangular border around the plot area. Handy for visually separating inset plots from the main plot.

Usage

map_border(color = "black", linewidth = 1, fill = "white", ...)

Arguments

color: Border color. Default "black".
linewidth: Border line width. Default 1.
fill: Background fill color. Default "white".
...: Passed to ggplot2::element_rect().

Value

A ggplot2 theme object to add to a ggplot with +.

Examples

library(ggplot2)

ggplot(mtcars, aes(mpg, wt)) +
    geom_point() +
    map_border(color = "red", linewidth = 2)